Home / 40,153.31-55,409.72-22,003.94

Finding the Fourth Proportional to 40,153.31, 55,409.72 and 22,003.94

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Solution

The fourth proportional to 40,153.31, 55,409.72 and 22,003.94 is: 30,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.31 : 55,409.72 = 22,003.94 : x
  2. Step 2: Convert to fraction form
    40,153.31/55,409.72 = 22,003.94/x
  3. Step 3: Cross multiply
    40,153.31x = 55,409.72 × 22,003.94
  4. Step 4: Simplify right side
    40,153.31x = 1,219,231,767.23
  5. Step 5: Solve for x
    x = 1,219,231,767.23/40,153.31
  6. Step 6: Final answer
    x = 30,364.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.